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<document id="4E6905534E5512FC5B792EAB4536FFC6" ID-DOI="10.1080/002229301300009568" ID-ISSN="1464-5262" ID-Zenodo-Dep="4757237" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1620912368821" checkinUser="carolina" docAuthor="Ernst, Ingo, Jones, Malcolm K. &amp; Whittington, Ian D." docDate="2001" docId="03E66075FFE2FFD1A0263562FE186011" docLanguage="en" docName="JNATHIST.35.313-340.pdf" docOrigin="Journal of Natural History 35 (3)" docSource="http://www.tandfonline.com/doi/abs/10.1080/002229301300009568" docStyle="DocumentStyle:B6EF65DE5B4D2965D4D236BA736D172F.2:JNatHist.2000-2002.journal_article.2cover" docStyleId="B6EF65DE5B4D2965D4D236BA736D172F" docStyleName="JNatHist.2000-2002.journal_article.2cover" docStyleVersion="2" docTitle="Acanthoplacatus shieldsi Ernst &amp; Jones &amp; Whittington 2001, sp. nov." docType="treatment" docVersion="3" lastPageNumber="335" masterDocId="FFDF180DFFF6FFC8A159370FFFAA610A" masterDocTitle="A new genus of viviparous gyrodactylid (Monogenea) from the Great Barrier Reef, Australia with descriptions of seven new species" masterLastPageNumber="340" masterPageNumber="313" pageNumber="331" updateTime="1698918045850" updateUser="plazi" zenodo-license-document="CLOSED">
<mods:mods id="C334C5ECF9AADD899BE3F4C0EC90E4E7" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="2AA497599BF9E34395F502B1FEFE0A2C">
<mods:title id="7AAA34811FEA854757AC318029706854">A new genus of viviparous gyrodactylid (Monogenea) from the Great Barrier Reef, Australia with descriptions of seven new species</mods:title>
</mods:titleInfo>
<mods:name id="18A6A0F9FB4BFD314D4D6AA810454983" type="personal">
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<mods:namePart id="6DE1878AC6E65352F58044EB2FFFC6B0">Ernst, Ingo</mods:namePart>
</mods:name>
<mods:name id="CE77B1CB8598B9CFAA7078E05B0A24E7" type="personal">
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</mods:role>
<mods:namePart id="FEA84B770C6F242F46916B24E6E2F91A">Jones, Malcolm K.</mods:namePart>
</mods:name>
<mods:name id="973069E956FCC41DD018FA8465E761B3" type="personal">
<mods:role id="8BA94E30E18929B6BAA13F83C8CFF268">
<mods:roleTerm id="F8FE43E13751D9D848216376E059FAED">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="6B1D232034CAD229405497AF188D001F">Whittington, Ian D.</mods:namePart>
</mods:name>
<mods:typeOfResource id="B536ACE81CAF3D2F22250ED067E76738">text</mods:typeOfResource>
<mods:relatedItem id="3C2A873E417F4F6C4B2F16CBD7CD4FD2" type="host">
<mods:titleInfo id="DDEB8D65B461362CE2E005B00AC200B6">
<mods:title id="6FDDE644EB76892FD9D20DAF7A12178D">Journal of Natural History</mods:title>
</mods:titleInfo>
<mods:part id="4589998ABB010076F95176ECE1F7C009">
<mods:date id="501B2A4C4DF447C2D22B300C7865931C">2001</mods:date>
<mods:detail id="2E87142403BFA9A5554520941808633B" type="pubDate">
<mods:number id="F552E60D3A82F42503912A837E1B26DF">2001-03-31</mods:number>
</mods:detail>
<mods:detail id="8C4D1C8815F26955EE5252CE172366AF" type="volume">
<mods:number id="3FD6CABD4490C66433E01A919BB91114">35</mods:number>
</mods:detail>
<mods:detail id="8A4F98A99E0B6C044047AD22EBEA5913" type="issue">
<mods:number id="29F89A9536E97B32DC7E296A2CE052B4">3</mods:number>
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<mods:extent id="4E580C502ECC49B1020CF71C29CE535A" unit="page">
<mods:start id="07CE08FF0FF8E9CC7C58CAB45E59B8C6">313</mods:start>
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<mods:url id="B7B64DC816BD918322B45C0D5DECCA92">http://www.tandfonline.com/doi/abs/10.1080/002229301300009568</mods:url>
</mods:location>
<mods:classification id="965ACD94339F83161FC4430497BBC66A">journal article</mods:classification>
<mods:identifier id="81FCD546C6E5096BDB483FADFE64D0A5" type="DOI">10.1080/002229301300009568</mods:identifier>
<mods:identifier id="51F3B4EFBF681D83E81B7496CA3713BE" type="ISSN">1464-5262</mods:identifier>
<mods:identifier id="4F36820F3670276D8E00A550003BECE9" type="Zenodo-Dep">4757237</mods:identifier>
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<treatment id="03E66075FFE2FFD1A0263562FE186011" ID-DOI="http://doi.org/10.5281/zenodo.4757234" ID-Zenodo-Dep="4757234" LSID="urn:lsid:plazi:treatment:03E66075FFE2FFD1A0263562FE186011" httpUri="http://treatment.plazi.org/id/03E66075FFE2FFD1A0263562FE186011" lastPageId="25" lastPageNumber="335" pageId="20" pageNumber="331">
<subSubSection id="C35582E8FFE2FFDCA0263562FD59638F" box="[383,755,621,645]" pageId="20" pageNumber="331" type="nomenclature">
<paragraph id="8BF0D163FFE2FFDCA0263562FD59638F" blockId="20.[383,755,621,677]" box="[383,755,621,645]" pageId="20" pageNumber="331">
<heading id="D0B8660FFFE2FFDCA0263562FD59638F" box="[383,755,621,645]" centered="true" fontSize="10" level="2" pageId="20" pageNumber="331" reason="3">
<taxonomicName id="4C4FAAE0FFE2FFDCA0263562FD25638F" ID-CoL="8ZFN" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[383,655,621,645]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="20" pageNumber="331" phylum="Platyhelminthes" rank="species" species="shieldsi" status="sp. nov.">
<emphasis id="B93B0D71FFE2FFDCA0263562FD25638F" bold="true" box="[383,655,621,645]" italics="true" pageId="20" pageNumber="331">Acanthoplacatus shieldsi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFE2FFDCA3C13561FD59638F" box="[664,755,622,645]" pageId="20" pageNumber="331" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C35582E8FFE2FFD1A0963582FE186011" lastPageId="25" lastPageNumber="336" pageId="20" pageNumber="331" type="description">
<paragraph id="8BF0D163FFE2FFDCA0963582FD0863AF" blockId="20.[383,755,621,677]" box="[463,674,653,677]" pageId="20" pageNumber="331">
(
<figureCitation id="1374CDE6FFE2FFDCA0823582FDE263AF" box="[475,584,653,677]" captionStart="FIG" captionStartId="8.[92,108,1196,1217]" captionTargetBox="[268,872,132,1169]" captionTargetId="figure-4@8.[343,872,513,653]" captionTargetPageId="8" captionText="FIG. 3. Variation of ventral bar and ventral bar membrane within and between species of Acanthoplacatus gen. nov. Scale bar 5 20 mm." figureDoi="http://doi.org/10.5281/zenodo.4757243" httpUri="https://zenodo.org/record/4757243/files/figure.png" pageId="20" pageNumber="331">Figures 3</figureCitation>
,
<figureCitation id="1374CDE6FFE2FFDCA30F3582FDD263AF" box="[598,632,653,677]" captionStart="FIG" captionStartId="21.[92,108,1314,1335]" captionText="FIG. 9. Acanthoplacatus shieldsi sp. nov. (A) Whole worm drawn from permanent whole mounts, ventral view. Scale bar 5 50 mm. (B) Marginal hook. (C) Male copulatory organ. B±C to the same scale. Scale bar 5 10mm. (D) Hamuli and ventral bar. Scale bar 5 20 mm." pageId="20" pageNumber="331">9A</figureCitation>
±D)
</paragraph>
<paragraph id="8BF0D163FFE2FFDCA1DD35CCFCFA63D0" blockId="20.[92,1047,706,1686]" box="[132,848,706,730]" pageId="20" pageNumber="331">
<emphasis id="B93B0D71FFE2FFDCA1DD35CCFF5B63D0" box="[132,241,706,730]" italics="true" pageId="20" pageNumber="331">Type host</emphasis>
.
<taxonomicName id="4C4FAAE0FFE2FFDCA04D35CDFCED63D0" authority="(Valenciennes, 1835)" baseAuthorityName="Valenciennes" baseAuthorityYear="1835" box="[276,839,706,730]" class="Actinopterygii" family="Siganidae" genus="Siganus" kingdom="Animalia" order="Perciformes" pageId="20" pageNumber="331" phylum="Chordata" rank="species" species="lineatus">
<emphasis id="B93B0D71FFE2FFDCA04D35CDFE6263D0" box="[276,456,706,730]" italics="true" pageId="20" pageNumber="331">Siganus lineatus</emphasis>
(Valenciennes, 1835) (Siganidae)
</taxonomicName>
.
</paragraph>
<paragraph id="8BF0D163FFE2FFDCA1DD35ECFC6463F0" blockId="20.[92,1047,706,1686]" box="[132,974,738,762]" pageId="20" pageNumber="331">
<emphasis id="B93B0D71FFE2FFDCA1DD35ECFEBC63F0" box="[132,278,738,762]" italics="true" pageId="20" pageNumber="331">Type locality</emphasis>
. Heron Island, Great Barrier Reef,
<collectingRegion id="498B1F81FFE2FFDCA39135EDFCE163F0" box="[712,843,738,762]" country="Australia" name="Queensland" pageId="20" pageNumber="331">Queensland</collectingRegion>
,
<collectingCountry id="F35891F3FFE2FFDCA20435EDFC6F63F0" box="[861,965,738,762]" name="Australia" pageId="20" pageNumber="331">Australia</collectingCountry>
.
</paragraph>
<paragraph id="8BF0D163FFE2FFDCA1DD340EFC426213" blockId="20.[92,1047,706,1686]" box="[132,1000,769,793]" pageId="20" pageNumber="331">
<emphasis id="B93B0D71FFE2FFDCA1DD340EFE856213" box="[132,303,769,793]" italics="true" pageId="20" pageNumber="331">Other localities</emphasis>
. Lizard Island, Great Barrier Reef,
<collectingRegion id="498B1F81FFE2FFDCA3BA340EFCCC6213" box="[739,870,769,793]" country="Australia" name="Queensland" pageId="20" pageNumber="331">Queensland</collectingRegion>
,
<collectingCountry id="F35891F3FFE2FFDCA221340EFC4A6213" box="[888,992,769,793]" name="Australia" pageId="20" pageNumber="331">Australia</collectingCountry>
.
</paragraph>
<paragraph id="8BF0D163FFE2FFDCA1DD342EFBBC6233" blockId="20.[92,1047,706,1686]" box="[132,1046,801,825]" pageId="20" pageNumber="331">
<emphasis id="B93B0D71FFE2FFDCA1DD342EFEA16233" box="[132,267,801,825]" italics="true" pageId="20" pageNumber="331">Site on host.</emphasis>
This species is found most frequently on the dorsal ®n (see table 1).
</paragraph>
<paragraph id="8BF0D163FFE2FFDCA1DD344EFE336253" blockId="20.[92,1047,706,1686]" box="[132,409,833,857]" pageId="20" pageNumber="331">
<materialsCitation id="3B27DB3EFFE2FFDCA1DD344EFE336253" accessionNumber="QM 215988" box="[132,409,833,857]" collectionCode="QM" pageId="20" pageNumber="331" specimenCount="1" typeStatus="holotype">
<emphasis id="B93B0D71FFE2FFDCA1DD344EFF436253" box="[132,233,833,857]" italics="true" pageId="20" pageNumber="331">
<typeStatus id="54F46FC1FFE2FFDCA1DD344EFF436253" box="[132,233,833,857]" pageId="20" pageNumber="331" type="holotype">Holotype</typeStatus>
</emphasis>
.
<collectionCode id="ED5E49A6FFE2FFDCA055344EFE906253" box="[268,314,833,857]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="20" pageNumber="331" type="Museum">QM</collectionCode>
215988.
</materialsCitation>
</paragraph>
<paragraph id="8BF0D163FFE2FFDCA1DD346DFE616273" blockId="20.[92,1047,706,1686]" box="[132,459,865,889]" pageId="20" pageNumber="331">
<materialsCitation id="3B27DB3EFFE2FFDCA1DD346DFE336273" accessionNumber="QM 215989" box="[132,409,865,889]" collectionCode="QM" pageId="20" pageNumber="331" specimenCount="1" typeStatus="paratype">
<emphasis id="B93B0D71FFE2FFDCA1DD346DFF456273" box="[132,239,866,889]" italics="true" pageId="20" pageNumber="331">
<typeStatus id="54F46FC1FFE2FFDCA1DD346DFF456273" box="[132,239,866,889]" pageId="20" pageNumber="331" type="paratype">Paratypes</typeStatus>
</emphasis>
.
<collectionCode id="ED5E49A6FFE2FFDCA04A346EFEEB6273" box="[275,321,865,889]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="20" pageNumber="331" type="Museum">QM</collectionCode>
215989
</materialsCitation>
±90.
</paragraph>
<paragraph id="8BF0D163FFE2FFDCA1DD348EFE0E62B3" blockId="20.[92,1047,706,1686]" pageId="20" pageNumber="331">
<emphasis id="B93B0D71FFE2FFDCA1DD348EFF516293" box="[132,251,897,921]" italics="true" pageId="20" pageNumber="331">Etymology</emphasis>
. This species is named in honour of Dr JeOErey Shields (Virginia Institute of Marine Science).
</paragraph>
<paragraph id="8BF0D163FFE2FFDCA1DD34CEFF646513" blockId="20.[92,1047,706,1686]" pageId="20" pageNumber="331">
<emphasis id="B93B0D71FFE2FFDCA1DD34CEFE9362D3" box="[132,313,961,985]" italics="true" pageId="20" pageNumber="331">Infection details</emphasis>
. At Heron Island, prevalence 100% (
<geoCoordinate id="EE7BB7A4FFE2FFDCA25A34CDFC9262D3" box="[771,824,961,985]" degrees="5" direction="north" minutes="4" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.0666666">
<emphasis id="B93B0D71FFE2FFDCA25A34CDFCBA62D3" box="[771,784,962,985]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 4
</geoCoordinate>
®sh, LCF
<quantity id="4CB77C86FFE2FFDCA2E634CEFBBC62D2" box="[959,1046,961,985]" metricMagnitude="-1" metricUnit="m" metricValue="2.7399999999999998" pageId="20" pageNumber="331" unit="mm" value="274.0">274 mm</quantity>
(
<quantity id="4CB77C86FFE2FFDCA13F34EEFF5F62F3" box="[102,245,993,1017]" metricMagnitude="-1" metricUnit="m" metricValue="2.7199999999999998" metricValueMax="2.94" metricValueMin="2.5" pageId="20" pageNumber="331" unit="mm" value="272.0" valueMax="294.0" valueMin="250.0">250±294 mm</quantity>
)). At Lizard Island, prevalence 33% (
<geoCoordinate id="EE7BB7A4FFE2FFDCA3E134EDFD4662F3" box="[696,748,993,1017]" degrees="5" direction="north" minutes="3" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.05">
<emphasis id="B93B0D71FFE2FFDCA3E134EDFD6F62F3" box="[696,709,994,1017]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 3
</geoCoordinate>
®sh, LCF
<quantity id="4CB77C86FFE2FFDCA22A34EEFC6062F2" box="[883,970,993,1017]" metricMagnitude="-1" metricUnit="m" metricValue="2.71" pageId="20" pageNumber="331" unit="mm" value="271.0">271 mm</quantity>
(
<quantity id="4CB77C86FFE2FFDCA2B834EEFF126513" metricMagnitude="-1" metricUnit="m" metricValue="2.665" metricValueMax="2.85" metricValueMin="2.48" pageId="20" pageNumber="331" unit="mm" value="266.5" valueMax="285.0" valueMin="248.0">248± 285 mm</quantity>
)).
</paragraph>
<paragraph id="8BF0D163FFE2FFDCA1DD332DFCAB671C" blockId="20.[92,1047,706,1686]" pageId="20" pageNumber="331">
<emphasis id="B93B0D71FFE2FFDCA1DD332DFEA86533" box="[132,258,1058,1081]" italics="true" pageId="20" pageNumber="331">Description</emphasis>
. Sclerite measurements taken from 32 worms mounted in Malmberg’s ®xative. Measurements of other organs taken from 13 worms stained with Ehrlich’s haematoxylin. Numerous live worms examined for the structure of soft body organs and the excretory system. Total length 267 (222±292,
<geoCoordinate id="EE7BB7A4FFE2FFDCA298338EFBA96592" box="[961,1027,1152,1176]" degrees="5" direction="north" minutes="13" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.2166667">
<emphasis id="B93B0D71FFE2FFDCA298338EFC646592" box="[961,974,1153,1176]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 13
</geoCoordinate>
), maximum width 62 (42±85,
<geoCoordinate id="EE7BB7A4FFE2FFDCA0C433AEFE7565B2" box="[413,479,1184,1208]" degrees="5" direction="north" minutes="13" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.2166667">
<emphasis id="B93B0D71FFE2FFDCA0C433AEFE0065B2" box="[413,426,1185,1208]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 13
</geoCoordinate>
) at level of uterus when embryo contained within or testis for worms with small embryo (®gure 9A). Hamulus length 38 (35±41,
<geoCoordinate id="EE7BB7A4FFE2FFDCA2B633CEFFDC65F2" degrees="5" direction="north" minutes="32" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.5333333">
<emphasis id="B93B0D71FFE2FFDCA2B633CEFC5665D2" box="[1007,1020,1217,1240]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 32
</geoCoordinate>
); hamulus point length 19.5 (16.5±21,
<geoCoordinate id="EE7BB7A4FFE2FFDCA31D33EEFD2C65F2" box="[580,646,1248,1272]" degrees="5" direction="north" minutes="31" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.5166664">
<emphasis id="B93B0D71FFE2FFDCA31D33EEFDFB65F2" box="[580,593,1249,1272]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 31
</geoCoordinate>
); hamulus root length 20 (16±22,
<geoCoordinate id="EE7BB7A4FFE2FFDCA105320EFF376412" box="[92,157,1280,1304]" degrees="5" direction="north" minutes="32" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.5333333">
<emphasis id="B93B0D71FFE2FFDCA105320EFFC36412" box="[92,105,1281,1304]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 32
</geoCoordinate>
); hamulus shaft length 27 (25.5±29.5,
<geoCoordinate id="EE7BB7A4FFE2FFDCA330320EFD016412" box="[617,683,1280,1304]" degrees="5" direction="north" minutes="32" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.5333333">
<emphasis id="B93B0D71FFE2FFDCA330320EFDDC6412" box="[617,630,1281,1304]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 32
</geoCoordinate>
). Hamulus shafts with distinct longitudinal depression anteroventrally. Dorsal root tissue cap length 8 (6.5±9,
<geoCoordinate id="EE7BB7A4FFE2FFDCA2B6322FFFDC645D" degrees="5" direction="north" minutes="31" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.5166664">
<emphasis id="B93B0D71FFE2FFDCA2B6322FFC56643D" box="[1007,1020,1312,1335]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 31
</geoCoordinate>
), width 3.5 (2.5±4.5,
<geoCoordinate id="EE7BB7A4FFE2FFDCA024324FFE15645D" box="[381,447,1343,1368]" degrees="5" direction="north" minutes="30" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.5">
<emphasis id="B93B0D71FFE2FFDCA024324FFE20645D" box="[381,394,1344,1367]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 30
</geoCoordinate>
) (®gure 9D). Ventral bar simple, variable in shape (®gures 3, 9D). Ventral bar 5.5 (4±7,
<geoCoordinate id="EE7BB7A4FFE2FFDCA35A326FFDEE647D" box="[515,580,1375,1400]" degrees="5" direction="north" minutes="30" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.5">
<emphasis id="B93B0D71FFE2FFDCA35A326FFDBA647D" box="[515,528,1376,1399]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 30
</geoCoordinate>
) long, 13 (12±14.5,
<geoCoordinate id="EE7BB7A4FFE2FFDCA275326FFCC7647D" box="[812,877,1375,1400]" degrees="5" direction="north" minutes="26" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.4333334">
<emphasis id="B93B0D71FFE2FFDCA275326FFC93647D" box="[812,825,1376,1399]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 26
</geoCoordinate>
) wide. Ventral bar membrane 13 (11±15,
<geoCoordinate id="EE7BB7A4FFE2FFDCA0CB328FFE7E649D" box="[402,468,1407,1432]" degrees="5" direction="north" minutes="18" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.3">
<emphasis id="B93B0D71FFE2FFDCA0CB328FFE35649D" box="[402,415,1408,1431]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 18
</geoCoordinate>
) long. Total length of ventral bar and membrane 18 (16±20,
<geoCoordinate id="EE7BB7A4FFE2FFDCA1B832AFFE8964BD" box="[225,291,1439,1464]" degrees="5" direction="north" minutes="18" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.3">
<emphasis id="B93B0D71FFE2FFDCA1B832AFFF4464BD" box="[225,238,1440,1463]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 18
</geoCoordinate>
). Transition between ventral bar and ventral bar membrane not distinct. Marginal hooks small with hook point extending to, or only slightly past toe; total length of marginal hook 31 (28.5±34,
<geoCoordinate id="EE7BB7A4FFE2FFDCA3CA32EFFD7E64FD" box="[659,724,1503,1527]" degrees="5" direction="north" minutes="28" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.4666667">
<emphasis id="B93B0D71FFE2FFDCA3CA32EFFD0A64FD" box="[659,672,1504,1527]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 28
</geoCoordinate>
); length of sickle 3.5 (3±4,
<geoCoordinate id="EE7BB7A4FFE2FFDCA105310FFF37671D" box="[92,157,1535,1559]" degrees="5" direction="north" minutes="29" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.483333">
<emphasis id="B93B0D71FFE2FFDCA105310FFFC3671D" box="[92,105,1536,1559]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 29
</geoCoordinate>
); length of handle 28 (25.5±31.5,
<geoCoordinate id="EE7BB7A4FFE2FFDCA373310FFDC6671D" box="[554,620,1535,1559]" degrees="5" direction="north" minutes="25" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.4166665">
<emphasis id="B93B0D71FFE2FFDCA373310FFD9D671D" box="[554,567,1536,1559]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 25
</geoCoordinate>
) (®gure 9B).
</paragraph>
<paragraph id="8BF0D163FFE2FFDFA1DD3110FD4A60B0" blockId="20.[92,1047,706,1686]" lastBlockId="23.[92,1047,132,1049]" lastPageId="23" lastPageNumber="334" pageId="20" pageNumber="331">
Gland cells, posterolateral to pharynx range from minimum diameter of 12.5 (7±16,
<geoCoordinate id="EE7BB7A4FFE2FFDCA1EA314FFF5F675D" box="[179,245,1599,1623]" degrees="5" direction="north" minutes="12" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.2">
<emphasis id="B93B0D71FFE2FFDCA1EA314FFF6A675D" box="[179,192,1600,1623]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 12
</geoCoordinate>
) to maximum diameter of 15.5 (13±21,
<geoCoordinate id="EE7BB7A4FFE2FFDCA3B4314FFC85675D" box="[749,815,1599,1623]" degrees="5" direction="north" minutes="12" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.2">
<emphasis id="B93B0D71FFE2FFDCA3B4314FFD50675D" box="[749,762,1600,1623]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 12
</geoCoordinate>
). Anterior lobe of pharynx 20.5 (19±23,
<geoCoordinate id="EE7BB7A4FFE2FFDCA038316FFE09677D" box="[353,419,1631,1655]" degrees="5" direction="north" minutes="13" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.2166667">
<emphasis id="B93B0D71FFE2FFDCA038316FFEC4677D" box="[353,366,1632,1655]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 13
</geoCoordinate>
) wide, posterior lobe 27.5 (25±31,
<geoCoordinate id="EE7BB7A4FFE2FFDCA213316FFC21677D" box="[842,907,1631,1655]" degrees="5" direction="north" minutes="13" orientation="latitude" pageId="20" pageNumber="331" precision="925" value="5.2166667">
<emphasis id="B93B0D71FFE2FFDCA213316FFCFD677D" box="[842,855,1632,1655]" italics="true" pageId="20" pageNumber="331">n</emphasis>
5 13
</geoCoordinate>
) wide. Gut caeca extend posteriorly lateral to uterus, terminating adjacent to testis. Male copulatory organ with one large, two moderate and four small spines (11 21 4) (®gure 9C). Male copulatory organ 11.5 (10±13,
<geoCoordinate id="EE7BB7A4FFE1FFDFA3CF37AAFD6161B6" box="[662,715,164,188]" degrees="5" direction="north" minutes="3" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.05">
<emphasis id="B93B0D71FFE1FFDFA3CF37AAFD0961B6" box="[662,675,165,188]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 3
</geoCoordinate>
) wide and long. Developing sclerites of F2 embryos may be visible within large F1 embryos; no sclerites of F3 embryos visible. Oocyte 15.5 (8±24,
<geoCoordinate id="EE7BB7A4FFE1FFDFA0A337EBFD9161F1" box="[506,571,227,252]" degrees="5" direction="north" minutes="12" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.2">
<emphasis id="B93B0D71FFE1FFDFA0A337EBFDAD61F1" box="[506,519,228,251]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 12
</geoCoordinate>
) long, 18 (12±28,
<geoCoordinate id="EE7BB7A4FFE1FFDFA25637EBFCFB61F1" box="[783,849,227,252]" degrees="5" direction="north" minutes="12" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.2">
<emphasis id="B93B0D71FFE1FFDFA25637EBFCB661F1" box="[783,796,228,251]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 12
</geoCoordinate>
) wide, contained within ECFR. Testis 16.5 (7±27,
<geoCoordinate id="EE7BB7A4FFE1FFDFA095360BFDA46011" box="[460,526,259,284]" degrees="5" direction="north" minutes="11" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.1833334">
<emphasis id="B93B0D71FFE1FFDFA095360BFE736011" box="[460,473,260,283]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 11
</geoCoordinate>
) long, 16 (10±27,
<geoCoordinate id="EE7BB7A4FFE1FFDFA385360BFCB46011" box="[732,798,259,284]" degrees="5" direction="north" minutes="11" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.1833334">
<emphasis id="B93B0D71FFE1FFDFA385360BFD436011" box="[732,745,260,283]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 11
</geoCoordinate>
) wide. Testis overlaps ECFR ventrally. Five cells surround posterior portion of each gut caecum and single cell lies medially near posterior terminations; cells range from minimum diameter of 11 (7±16,
<geoCoordinate id="EE7BB7A4FFE1FFDFA1AF366BFE926071" box="[246,312,355,380]" degrees="5" direction="north" minutes="12" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.2">
<emphasis id="B93B0D71FFE1FFDFA1AF366BFEA96071" box="[246,259,356,379]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 12
</geoCoordinate>
) to maximum diameter of 16.5 (14±18,
<geoCoordinate id="EE7BB7A4FFE1FFDFA24F366BFCFD6071" box="[790,855,355,380]" degrees="5" direction="north" minutes="12" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.2">
<emphasis id="B93B0D71FFE1FFDFA24F366BFC896071" box="[790,803,356,379]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 12
</geoCoordinate>
). Two anteriormost cell pairs and posterolateral cell pair, lie ventral to gut; remaining two cell pairs and single medial cell lie dorsal to gut (®gure 9A).
</paragraph>
<caption id="DF3081EBFFE3FFDDA105322DFE88648C" pageId="21" pageNumber="332" startId="21.[92,108,1314,1335]">
<paragraph id="8BF0D163FFE3FFDDA105322DFE88648C" blockId="21.[92,1048,1313,1415]" pageId="21" pageNumber="332">
FIG. 9.
<taxonomicName id="4C4FAAE0FFE3FFDDA1EF322EFE04643D" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[182,430,1313,1335]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="21" pageNumber="332" phylum="Platyhelminthes" rank="species" species="shieldsi" status="sp. nov.">
<emphasis id="B93B0D71FFE3FFDDA1EF322EFE04643D" box="[182,430,1313,1335]" italics="true" pageId="21" pageNumber="332">Acanthoplacatus shieldsi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFE3FFDDA0E0322DFDA6643D" box="[441,524,1314,1335]" pageId="21" pageNumber="332" rank="species">sp. nov.</taxonomicNameLabel>
(A) Whole worm drawn from permanent whole mounts, ventral view. Scale bar 5 50
<emphasis id="B93B0D71FFE3FFDDA3703234FD9C645B" bold="true" box="[553,566,1339,1361]" italics="true" pageId="21" pageNumber="332">m</emphasis>
m. (B) Marginal hook. (C) Male copulatory organ. B±C to the same scale. Scale bar 5 10
<emphasis id="B93B0D71FFE3FFDDA3253259FD236466" bold="true" box="[636,649,1366,1388]" italics="true" pageId="21" pageNumber="332">m</emphasis>
m. (D) Hamuli and ventral bar. Scale bar 5 20
<emphasis id="B93B0D71FFE3FFDDA1A3327EFEAD648D" bold="true" box="[250,263,1393,1415]" italics="true" pageId="21" pageNumber="332">m</emphasis>
m.
</paragraph>
</caption>
<caption id="DF3081EBFFE3FFDDA10532C7FD68679C" ID-DOI="http://doi.org/10.5281/zenodo.4757266" ID-Zenodo-Dep="4757266" httpUri="https://zenodo.org/record/4757266/files/figure.png" pageId="21" pageNumber="332" startId="21.[92,108,1480,1501]" targetBox="[209,930,132,1287]" targetPageId="21">
<paragraph id="8BF0D163FFE3FFDDA10532C7FD68679C" blockId="21.[92,1047,1479,1687]" pageId="21" pageNumber="332">
FIG. 10. (A) Transmission electron micrograph of a transverse section through the cephalic region of
<taxonomicName id="4C4FAAE0FFE3FFDDA05F32EEFE6464FD" box="[262,462,1505,1527]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="21" pageNumber="332" phylum="Platyhelminthes" rank="species" species="undetermined">
<emphasis id="B93B0D71FFE3FFDDA05F32EEFE0064FD" box="[262,426,1505,1527]" italics="true" pageId="21" pageNumber="332">Acanthoplacatus</emphasis>
sp.
</taxonomicName>
No evidence of spike sensilla was found in serial sections through this area. Scale bar 5 2
<emphasis id="B93B0D71FFE3FFDDA0BD32F3FE5B6718" bold="true" box="[484,497,1532,1554]" italics="true" pageId="21" pageNumber="332">m</emphasis>
m. D, ducts of anterior adhesive organs. (B) Scanning electron micrograph of the anterodorsal region of
<taxonomicName id="4C4FAAE0FFE3FFDDA39D3119FC386726" box="[708,914,1558,1580]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="21" pageNumber="332" phylum="Platyhelminthes" rank="species" species="undetermined">
<emphasis id="B93B0D71FFE3FFDDA39D3119FCC26726" box="[708,872,1558,1580]" italics="true" pageId="21" pageNumber="332">Acanthoplacatus</emphasis>
sp.
</taxonomicName>
Scale bar 5 10
<emphasis id="B93B0D71FFE3FFDDA1E6313EFF66674D" bold="true" box="[191,204,1585,1607]" italics="true" pageId="21" pageNumber="332">m</emphasis>
m. Arrowhead, excretory duct opening. (C) Scanning electron micrograph of the anteroventral region of
<taxonomicName id="4C4FAAE0FFE3FFDDA0F93144FDC1676B" box="[416,619,1611,1633]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="21" pageNumber="332" phylum="Platyhelminthes" rank="species" species="undetermined">
<emphasis id="B93B0D71FFE3FFDDA0F93144FDEE676B" box="[416,580,1611,1633]" italics="true" pageId="21" pageNumber="332">Acanthoplacatus</emphasis>
sp.
</taxonomicName>
Scale bar 5 10
<emphasis id="B93B0D71FFE3FFDDA2533144FCBD676B" bold="true" box="[778,791,1611,1633]" italics="true" pageId="21" pageNumber="332">m</emphasis>
m. Arrowhead, adhesive gland duct openings; m, mouth; bp, birth pore. (D) Scanning electron micrograph of the haptor of
<taxonomicName id="4C4FAAE0FFE3FFDDA06D318EFE54679C" box="[308,510,1665,1687]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="21" pageNumber="332" phylum="Platyhelminthes" rank="species" species="undetermined">
<emphasis id="B93B0D71FFE3FFDDA06D318EFE72679D" box="[308,472,1665,1687]" italics="true" pageId="21" pageNumber="332">Acanthoplacatus</emphasis>
sp.
</taxonomicName>
Scale bar 5 10
<emphasis id="B93B0D71FFE3FFDDA3C0318EFD0C679D" bold="true" box="[665,678,1665,1687]" italics="true" pageId="21" pageNumber="332">m</emphasis>
m.
</paragraph>
</caption>
<paragraph id="8BF0D163FFE1FFDFA1DD36CCFC826293" blockId="23.[92,1047,132,1049]" pageId="23" pageNumber="334">
<emphasis id="B93B0D71FFE1FFDFA1DD36CCFE6C60D1" box="[132,454,451,475]" italics="true" pageId="23" pageNumber="334">Sclerite size and seasonality</emphasis>
. For this species at Heron Island,
<specimenCount id="9D491AEAFFE1FFDFA22736CCFBBD60D1" box="[894,1047,451,475]" pageId="23" pageNumber="334" type="generic">16 specimens</specimenCount>
were collected in summer (
<date id="FFF1F7A3FFE1FFDFA0C836ECFD8660F1" box="[401,556,483,507]" pageId="23" pageNumber="334" value="1998-01">January 1998</date>
) and
<specimenCount id="9D491AEAFFE1FFDFA32D36ECFCB960F1" box="[628,787,483,507]" pageId="23" pageNumber="334" type="generic">ten specimens</specimenCount>
in winter (
<date id="FFF1F7A3FFE1FFDFA2CD36ECFBAE60F1" box="[916,1028,483,507]" pageId="23" pageNumber="334" value="1996-07">July 1996</date>
). Six specimens were also collected from Lizard Island in autumn (
<date id="FFF1F7A3FFE1FFDFA2D2350CFBAE6311" box="[907,1028,515,539]" pageId="23" pageNumber="334" value="1997-05">May 1997</date>
). Signi®cant diOEerences were found between at least two sample groups for hamulus shaft length, hamulus root length, marginal hook sickle length, total length of marginal hook, length of marginal hook handle and dorsal root tissue cap length. Hamulus shaft length was signi®cantly larger in winter (28.5,
<geoCoordinate id="EE7BB7A4FFE1FFDFA211358CFC236390" box="[840,905,642,666]" degrees="5" direction="north" minutes="10" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.1666665">
<emphasis id="B93B0D71FFE1FFDFA211358CFCFF6390" box="[840,853,643,666]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 10
</geoCoordinate>
) than both summer (26.5,
<geoCoordinate id="EE7BB7A4FFE1FFDFA04835ACFEFF63B0" box="[273,341,674,698]" degrees="5" direction="north" minutes="16" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.266667">
<emphasis id="B93B0D71FFE1FFDFA04835ACFEB463B0" box="[273,286,675,698]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 16
</geoCoordinate>
;
<emphasis id="B93B0D71FFE1FFDFA03E35ACFEDE63B0" box="[359,372,675,698]" italics="true" pageId="23" pageNumber="334">p</emphasis>
&lt;0.001) and Lizard Island samples (27,
<geoCoordinate id="EE7BB7A4FFE1FFDFA23D35ACFC3163B0" box="[868,923,674,698]" degrees="5" direction="north" minutes="6" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.1">
<emphasis id="B93B0D71FFE1FFDFA23D35ACFCDB63B0" box="[868,881,675,698]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 6
</geoCoordinate>
;
<emphasis id="B93B0D71FFE1FFDFA2F435ACFC1063B0" box="[941,954,675,698]" italics="true" pageId="23" pageNumber="334">p</emphasis>
&lt;0.01). Hamulus root length of the Lizard Island sample (18,
<geoCoordinate id="EE7BB7A4FFE1FFDFA3E635CCFD5E63D0" box="[703,756,706,730]" degrees="5" direction="north" minutes="6" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.1">
<emphasis id="B93B0D71FFE1FFDFA3E635CCFD6663D0" box="[703,716,707,730]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 6
</geoCoordinate>
) was signi®cantly shorter than winter (20.5,
<geoCoordinate id="EE7BB7A4FFE1FFDFA06635ECFE2963F0" box="[319,387,738,762]" degrees="5" direction="north" minutes="10" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.1666665">
<emphasis id="B93B0D71FFE1FFDFA06635ECFEE663F0" box="[319,332,739,762]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 10
</geoCoordinate>
;
<emphasis id="B93B0D71FFE1FFDFA0CF35ECFE0963F0" box="[406,419,739,762]" italics="true" pageId="23" pageNumber="334">p</emphasis>
&lt;0.05) and summer (20.5,
<geoCoordinate id="EE7BB7A4FFE1FFDFA3A835ECFC9C63F0" box="[753,822,738,762]" degrees="5" direction="north" minutes="16" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.266667">
<emphasis id="B93B0D71FFE1FFDFA3A835ECFD5463F0" box="[753,766,739,762]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 16
</geoCoordinate>
;
<emphasis id="B93B0D71FFE1FFDFA21135ECFCFF63F0" box="[840,853,739,762]" italics="true" pageId="23" pageNumber="334">p</emphasis>
&lt;0.01) samples. Marginal hook sickle length, total marginal hook length and marginal hook handle length were signi®cantly larger (
<emphasis id="B93B0D71FFE1FFDFA0B8342DFE446233" box="[481,494,802,825]" italics="true" pageId="23" pageNumber="334">p</emphasis>
&lt;0.001) in winter (4,
<geoCoordinate id="EE7BB7A4FFE1FFDFA25A342DFC936233" box="[771,825,801,826]" degrees="5" direction="north" minutes="9" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.15">
<emphasis id="B93B0D71FFE1FFDFA25A342DFCBA6233" box="[771,784,802,825]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 9
</geoCoordinate>
; 30,
<geoCoordinate id="EE7BB7A4FFE1FFDFA222342DFC1A6233" box="[891,944,801,826]" degrees="5" direction="north" minutes="8" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.133333">
<emphasis id="B93B0D71FFE1FFDFA222342DFC226233" box="[891,904,802,825]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 8
</geoCoordinate>
and 33,
<geoCoordinate id="EE7BB7A4FFE1FFDFA105344DFF3A6253" box="[92,144,833,858]" degrees="5" direction="north" minutes="8" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.133333">
<emphasis id="B93B0D71FFE1FFDFA105344DFFC36253" box="[92,105,834,857]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 8
</geoCoordinate>
) than in summer (3.5,
<geoCoordinate id="EE7BB7A4FFE1FFDFA0F4344DFE586253" box="[429,498,833,858]" degrees="5" direction="north" minutes="16" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.266667">
<emphasis id="B93B0D71FFE1FFDFA0F4344DFE106253" box="[429,442,834,857]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 16
</geoCoordinate>
; 27,
<geoCoordinate id="EE7BB7A4FFE1FFDFA369344DFDD86253" box="[560,626,833,858]" degrees="5" direction="north" minutes="15" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.25">
<emphasis id="B93B0D71FFE1FFDFA369344DFD976253" box="[560,573,834,857]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 15
</geoCoordinate>
and 30,
<geoCoordinate id="EE7BB7A4FFE1FFDFA3BB344DFC8E6253" box="[738,804,833,858]" degrees="5" direction="north" minutes="16" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.266667">
<emphasis id="B93B0D71FFE1FFDFA3BB344DFD456253" box="[738,751,834,857]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 16
</geoCoordinate>
). Dorsal root tissue cap length was signi®cantly smaller in summer (7.5,
<geoCoordinate id="EE7BB7A4FFE1FFDFA3E6346DFCAB6273" box="[703,769,865,890]" degrees="5" direction="north" minutes="16" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.266667">
<emphasis id="B93B0D71FFE1FFDFA3E6346DFD666273" box="[703,716,866,889]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 16
</geoCoordinate>
) than both winter (8.5,
<geoCoordinate id="EE7BB7A4FFE1FFDFA105348DFF386293" box="[92,146,897,922]" degrees="5" direction="north" minutes="9" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.15">
<emphasis id="B93B0D71FFE1FFDFA105348DFFC36293" box="[92,105,898,921]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 9
</geoCoordinate>
;
<emphasis id="B93B0D71FFE1FFDFA1F8348DFF046293" box="[161,174,898,921]" italics="true" pageId="23" pageNumber="334">p</emphasis>
&lt;0.001) and Lizard Island samples (8,
<geoCoordinate id="EE7BB7A4FFE1FFDFA320348DFD1A6293" box="[633,688,897,922]" degrees="5" direction="north" minutes="6" orientation="latitude" pageId="23" pageNumber="334" precision="925" value="5.1">
<emphasis id="B93B0D71FFE1FFDFA320348DFD2C6293" box="[633,646,898,921]" italics="true" pageId="23" pageNumber="334">n</emphasis>
5 6
</geoCoordinate>
;
<emphasis id="B93B0D71FFE1FFDFA3E7348DFD616293" box="[702,715,898,921]" italics="true" pageId="23" pageNumber="334">p</emphasis>
&lt;0.05).
</paragraph>
<paragraph id="8BF0D163FFE1FFDFA1DD34AEFEC96512" blockId="23.[92,1047,132,1049]" pageId="23" pageNumber="334">
<emphasis id="B93B0D71FFE1FFDFA1DD34AEFF5262B3" box="[132,248,929,953]" italics="true" pageId="23" pageNumber="334">Comments</emphasis>
.
<taxonomicName id="4C4FAAE0FFE1FFDFA04334AEFD8762B3" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[282,557,929,953]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="23" pageNumber="334" phylum="Platyhelminthes" rank="species" species="shieldsi" status="sp. nov.">
<emphasis id="B93B0D71FFE1FFDFA04334AEFD8762B3" box="[282,557,929,953]" italics="true" pageId="23" pageNumber="334">Acanthoplacatus shieldsi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFE1FFDFA36134ADFD3F62B3" box="[568,661,930,953]" pageId="23" pageNumber="334" rank="species">sp. nov.</taxonomicNameLabel>
has similar haptoral sclerite size and shape to
<taxonomicName id="4C4FAAE0FFE1FFDFA04934CEFE2D62D3" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[272,391,961,985]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="23" pageNumber="334" phylum="Platyhelminthes" rank="species" species="adlardi" status="sp. nov.">
<emphasis id="B93B0D71FFE1FFDFA04934CEFE2D62D3" box="[272,391,961,985]" italics="true" pageId="23" pageNumber="334">A. adlardi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFE1FFDFA0C034CEFE5162D3" box="[409,507,961,985]" pageId="23" pageNumber="334" rank="species">sp. nov.</taxonomicNameLabel>
,
<taxonomicName id="4C4FAAE0FFE1FFDFA34A34CEFDD362D3" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[531,633,961,985]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="23" pageNumber="334" phylum="Platyhelminthes" rank="species" species="puelli" status="sp. nov.">
<emphasis id="B93B0D71FFE1FFDFA34A34CEFDD362D3" box="[531,633,961,985]" italics="true" pageId="23" pageNumber="334">A. puelli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFE1FFDFA3D334CEFD4762D3" box="[650,749,961,985]" pageId="23" pageNumber="334" rank="species">sp. nov.</taxonomicNameLabel>
and
<taxonomicName id="4C4FAAE0FFE1FFDFA26034CEFC0E62D3" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[825,932,961,985]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="23" pageNumber="334" phylum="Platyhelminthes" rank="species" species="sigani" status="sp. nov.">
<emphasis id="B93B0D71FFE1FFDFA26034CEFC0E62D3" box="[825,932,961,985]" italics="true" pageId="23" pageNumber="334">A. sigani</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFE1FFDFA2ED34CEFBBD62D3" box="[948,1047,961,985]" pageId="23" pageNumber="334" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="B93B0D71FFE1FFDFA10534EEFEC062F3" box="[92,362,993,1017]" italics="true" pageId="23" pageNumber="334">
Acanthoplacatu s
<taxonomicName id="4C4FAAE0FFE1FFDFA04334EEFEC062F3" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[282,362,993,1017]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="23" pageNumber="334" phylum="Platyhelminthes" rank="species" species="shieldsi" status="sp. nov.">shieldsi</taxonomicName>
</emphasis>
<taxonomicNameLabel id="A208B00AFFE1FFDFA02834EEFE6362F3" box="[369,457,993,1017]" pageId="23" pageNumber="334" rank="species">sp. nov.</taxonomicNameLabel>
can be discriminated from these worms as described above for each species.
</paragraph>
<paragraph id="8BF0D163FFE1FFDFA105334DFE076553" blockId="23.[92,1047,1089,1399]" box="[92,429,1089,1113]" pageId="23" pageNumber="334">
<emphasis id="B93B0D71FFE1FFDFA105334DFE076553" box="[92,429,1089,1113]" italics="true" pageId="23" pageNumber="334">Examination for spike sensilla</emphasis>
</paragraph>
<paragraph id="8BF0D163FFE1FFDFA1DD336FFF05647D" blockId="23.[92,1047,1089,1399]" pageId="23" pageNumber="334">
Several techniques were used to determine whether spike sensilla are present in species of
<taxonomicName id="4C4FAAE0FFE1FFDFA182338FFE3B6592" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[219,401,1152,1176]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="23" pageNumber="334" phylum="Platyhelminthes" rank="genus" status="gen. nov.">
<emphasis id="B93B0D71FFE1FFDFA182338FFE3B6592" box="[219,401,1152,1176]" italics="true" pageId="23" pageNumber="334">Acanthoplacatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFE1FFDFA0C6338EFDA76592" box="[415,525,1153,1177]" pageId="23" pageNumber="334" rank="genus">gen. nov.</taxonomicNameLabel>
, including observations on live worms and whole mounts, ultra-thin serial sections for TEM through the cephalic lobes (®gure 10A) and SEM of the cephalic region (®gure 10B, C). No evidence of spike sensilla was found although another
<typeStatus id="54F46FC1FFE1FFDFA35F33EEFD9D65F3" box="[518,567,1249,1273]" pageId="23" pageNumber="334">type</typeStatus>
of sensillum was observed. These sensilla diOEer from spike sensilla because they are smaller (approximately
<quantity id="4CB77C86FFE1FFDFA23C320FFC2F6412" box="[869,901,1280,1304]" metricMagnitude="0" metricUnit="m" metricValue="1.0" pageId="23" pageNumber="334" unit="m" value="1.0">
1
<emphasis id="B93B0D71FFE1FFDFA22E320FFC2F6412" bold="true" box="[887,901,1280,1304]" italics="true" pageId="23" pageNumber="334">m</emphasis>
</quantity>
m compared to
<quantity id="4CB77C86FFE1FFDFA1243210FF00643D" box="[125,170,1311,1335]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="23" pageNumber="334" unit="m" value="10.0">
10
<emphasis id="B93B0D71FFE1FFDFA1C53210FF00643D" bold="true" box="[156,170,1311,1335]" italics="true" pageId="23" pageNumber="334">m</emphasis>
</quantity>
m for spike sensilla), they are not bound by an epidermal sheath, and they are not comprised of 10 cilia, as described for species of
<taxonomicName id="4C4FAAE0FFE1FFDFA2533230FC31645D" authorityName="von Nordmann" authorityYear="1832" box="[778,923,1343,1367]" class="Monogenea" family="Gyrodactylidae" genus="Gyrodactylus" kingdom="Animalia" order="Gyrodactylidea" pageId="23" pageNumber="334" phylum="Platyhelminthes" rank="genus">
<emphasis id="B93B0D71FFE1FFDFA2533230FC31645D" box="[778,923,1343,1367]" italics="true" pageId="23" pageNumber="334">Gyrodactylus</emphasis>
</taxonomicName>
by
<bibRefCitation id="EFDEAC92FFE1FFDFA289324FFF00647D" author="LYONS, K. M." pageId="23" pageNumber="334" pagination="636" refId="ref14651" refString="LYONS, K. M., 1969, Compound sensilla in monogenean skin parasites, Parasitology, 59, 625 ± 636." type="journal article" year="1969">Lyons (1969)</bibRefCitation>
.
</paragraph>
<paragraph id="8BF0D163FFE1FFDFA1053290FE5564BD" blockId="23.[92,1047,1439,1686]" box="[92,511,1439,1463]" pageId="23" pageNumber="334">
<emphasis id="B93B0D71FFE1FFDFA1053290FE5564BD" box="[92,511,1439,1463]" italics="true" pageId="23" pageNumber="334">Observations on the excretory system</emphasis>
</paragraph>
<paragraph id="8BF0D163FFE1FFD0A1DD32B0FEA0643D" blockId="23.[92,1047,1439,1686]" lastBlockId="24.[92,1047,1184,1336]" lastPageId="24" lastPageNumber="335" pageId="23" pageNumber="334">
Despite small diOEerences in the position of ¯ame cells and their associated ducts, the protonephridial system appears to be uniform across species of the genus. Observations were made on all species (74 individual worms) but complete protonephridial systems were determined only for
<taxonomicName id="4C4FAAE0FFE1FFDFA3213110FCB3673D" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[632,793,1567,1591]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="23" pageNumber="334" phylum="Platyhelminthes" rank="species" species="parvihamus" status="sp. nov.">
<emphasis id="B93B0D71FFE1FFDFA3213110FCB3673D" box="[632,793,1567,1591]" italics="true" pageId="23" pageNumber="334">A. parvihamus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFE1FFDFA27B3110FCD6673D" box="[802,892,1567,1591]" pageId="23" pageNumber="334" rank="species">sp. nov.</taxonomicNameLabel>
and
<taxonomicName id="4C4FAAE0FFE1FFDFA2E13110FBBC673D" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[952,1046,1567,1591]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="23" pageNumber="334" phylum="Platyhelminthes" rank="species" species="puelli" status="sp. nov.">
<emphasis id="B93B0D71FFE1FFDFA2E13110FBBC673D" box="[952,1046,1567,1591]" italics="true" pageId="23" pageNumber="334">A. puelli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFE1FFDFA1053130FF12675C" box="[92,184,1599,1622]" pageId="23" pageNumber="334" rank="species">sp. nov.</taxonomicNameLabel>
(®gure 11 A, B). The excretory systems of species of
<taxonomicName id="4C4FAAE0FFE1FFDFA27F3130FC76675D" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[806,988,1599,1623]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="23" pageNumber="334" phylum="Platyhelminthes" rank="genus" status="gen. nov.">
<emphasis id="B93B0D71FFE1FFDFA27F3130FC76675D" box="[806,988,1599,1623]" italics="true" pageId="23" pageNumber="334">Acanthoplacatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFE1FFDFA2B13130FF27677C" pageId="23" pageNumber="334" rank="genus">gen. nov.</taxonomicNameLabel>
, as for other gyrodactylids (see
<bibRefCitation id="EFDEAC92FFE1FFDFA34D3150FD79677D" author="MALMBERG, G." box="[532,723,1631,1655]" pageId="23" pageNumber="334" pagination="235" refId="ref14741" refString="MALMBERG, G., 1970, The excretory systems and the marginal hooks as a basis for the systematics of Gyrodactylus, Arkiv foEr Zoologi, 23, 1 ± 235." type="journal article" year="1970">Malmberg, 1970</bibRefCitation>
), is bilaterally symmetrical and composed of two longitudinal canals on each side of the body. Each canal connects an excretory bladder and anterior and posterior groups of ¯ame cells (®gure 11). Excretory bladders open through ducts to the dorsal surface of the worm (®gure 10B). Three ¯ame cells occur in each of the lateral anterior and posterior groups (®gure 11).
<taxonomicName id="4C4FAAE0FFEEFFD0A062320FFE5B6412" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[315,497,1280,1304]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="24" pageNumber="335" phylum="Platyhelminthes" rank="genus" status="gen. nov.">
<emphasis id="B93B0D71FFEEFFD0A062320FFE5B6412" box="[315,497,1280,1304]" italics="true" pageId="24" pageNumber="335">Acanthoplacatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFEEFFD0A0A4320EFDCD6412" box="[509,615,1281,1305]" pageId="24" pageNumber="335" rank="genus">gen. nov.</taxonomicNameLabel>
has no connections between the two lateral systems.
</paragraph>
<caption id="DF3081EBFFEEFFD0A1053335FD566560" ID-DOI="http://doi.org/10.5281/zenodo.4757270" ID-Zenodo-Dep="4757270" httpUri="https://zenodo.org/record/4757270/files/figure.png" pageId="24" pageNumber="335" startId="24.[92,108,1082,1103]" targetBox="[273,866,131,1054]" targetPageId="24">
<paragraph id="8BF0D163FFEEFFD0A1053335FD566560" blockId="24.[92,1046,1081,1130]" pageId="24" pageNumber="335">
FIG. 11. Diagrammatic representation of the protonephridial systems of
<taxonomicName id="4C4FAAE0FFEEFFD0A22B3336FE086563" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="24" pageNumber="335" phylum="Platyhelminthes" rank="species" species="undetermined">
<emphasis id="B93B0D71FFEEFFD0A22B3336FBBC6545" box="[882,1046,1081,1103]" italics="true" pageId="24" pageNumber="335">Acanthoplacatus</emphasis>
spp.
</taxonomicName>
(A)
<taxonomicName id="4C4FAAE0FFEEFFD0A08F335BFDCD6560" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[470,615,1108,1130]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="24" pageNumber="335" phylum="Platyhelminthes" rank="species" species="parvihamus">
<emphasis id="B93B0D71FFEEFFD0A08F335BFDCD6560" box="[470,615,1108,1130]" italics="true" pageId="24" pageNumber="335">A. parvihamus</emphasis>
</taxonomicName>
. (B)
<taxonomicName id="4C4FAAE0FFEEFFD0A3F9335BFD526560" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[672,760,1108,1130]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="24" pageNumber="335" phylum="Platyhelminthes" rank="species" species="puelli">A. puelli</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="8BF0D163FFEEFFD0A1053250FD95647D" blockId="24.[92,1047,1375,1687]" box="[92,575,1375,1399]" pageId="24" pageNumber="335">
<emphasis id="B93B0D71FFEEFFD0A1053250FD95647D" box="[92,575,1375,1399]" italics="true" pageId="24" pageNumber="335">Observations on the haptor and attachment</emphasis>
</paragraph>
<paragraph id="8BF0D163FFEEFFD1A1DD328FFE186011" blockId="24.[92,1047,1375,1687]" lastBlockId="25.[92,1047,132,283]" lastPageId="25" lastPageNumber="336" pageId="24" pageNumber="335">
Temporary attachment of
<taxonomicName id="4C4FAAE0FFEEFFD0A0ED3270FD69649D" box="[436,707,1407,1431]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="24" pageNumber="335" phylum="Platyhelminthes" rank="species" species="undetermined">
<emphasis id="B93B0D71FFEEFFD0A0ED3270FDC0649D" box="[436,618,1407,1431]" italics="true" pageId="24" pageNumber="335">Acanthoplacatus</emphasis>
species
</taxonomicName>
is facilitated by two areas of duct openings located anteroventrally (®gure 10C) but worms are normally attached by the haptor. The structure of the haptor in this genus is unlike that in any other gyrodactylid. The ventral lobe of the haptor (hamuli, ventral bar) is located anteriorly on the dorsal lobe rather than being located centrally and surrounded by radiating marginal hooks. The dorsal lobe is in the form of a muscular tube with marginal hook sickles around the posterior margin and marginal hook handles extending posteriorly parallel to the haptor wall (®gure 10D). Species of
<taxonomicName id="4C4FAAE0FFEEFFD0A1053171FEB8679C" authority="Ernst &amp; Jones &amp; Whittington, 2001" authorityName="Ernst &amp; Jones &amp; Whittington" authorityYear="2001" box="[92,274,1662,1686]" class="Monogenea" family="Gyrodactylidae" genus="Acanthoplacatus" kingdom="Animalia" order="Gyrodactylidea" pageId="24" pageNumber="335" phylum="Platyhelminthes" rank="genus" status="gen. nov.">
<emphasis id="B93B0D71FFEEFFD0A1053171FEB8679C" box="[92,274,1662,1686]" italics="true" pageId="24" pageNumber="335">Acanthoplacatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A208B00AFFEEFFD0A0453170FE2E679C" box="[284,388,1663,1687]" pageId="24" pageNumber="335" rank="genus">gen. nov.</taxonomicNameLabel>
were observed
<emphasis id="B93B0D71FFEEFFD0A36E3170FDD1679C" box="[567,635,1663,1686]" italics="true" pageId="24" pageNumber="335">in situ</emphasis>
on their hosts. They attach only by their marginal hooks and on no occasion were hamuli involved. With this mode of attachment, only the posterior margin of the haptor is in contact with the host when the parasite is attached to ¯at surfaces (®gure 12). Attempts to dislodge parasites with a ®ne needle or by strong jets of water from a Pasteur pipette failed to induce use of hamuli for attachment.
</paragraph>
</subSubSection>
</treatment>
</document>
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